Western Digital Black SN850X
Western Digital
85 Overall Score
vs
SanDisk WD_BLACK SN8100
SanDisk
90 Overall Score
What Buyers Say
Western Digital Black SN850X
No customer feedback yet
SanDisk WD_BLACK SN8100
88 out of 100 medium confidence 12 reviews
The WD Black SN8100 is overwhelmingly praised for its blazing Gen5 speeds, with users reporting double the performance of previous Gen4 drives and boot times of just a few seconds. Reviewers highlight excellent heat management, easy installation, and reliability, though many note the high price as a significant drawback. Overall, it's seen as a top-tier upgrade for those with compatible hardware and budget.
Pros
- Blazing Gen5 speeds
- Excellent heat management
- Easy installation
- Reliable performance
- Great for gaming
Cons
- High price
- Requires Gen5 motherboard
- Pricey for many
Performance speed 12
Heat management 5
Value for money 6
Ease of installation 4
Reliability 4
Compatibility 3
Scores
Gaming
Workstation
Laptop
Console
Budget
Portable
Specifications
| Western Digital Black SN850X | SanDisk WD_BLACK SN8100 | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 5.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4 | 5★ |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | ||
| Random Write (IOPS) | ||
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | ✓★ | — |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | No data | |
| Warranty (years) | 3 | 5★ |
| Features | ||
| Heatsink | ✓★ | — |
Pros & Cons
Western Digital Black SN850X
- Strong capacity (98th percentile)98th %ile
- Strong random (96th percentile)96th %ile
- Strong feature (94th percentile)94th %ile
- Strong speed (86th percentile)86th %ile
- Below average social proof (7th percentile)7th %ile
SanDisk WD_BLACK SN8100
- Strong speed (100th percentile)100th %ile
- Strong random (99th percentile)99th %ile
- Strong social proof (97th percentile)97th %ile
- Strong endurance (94th percentile)94th %ile
Pricing
Western Digital Black SN850X0.068score per dollar
vs
SanDisk WD_BLACK SN81000.103score per dollar
SanDisk WD_BLACK SN8100 offers 1.5x better value for money
Verdict
Winner: SanDisk WD_BLACK SN8100
Scores 90 overall, wins 4 of 6 usage categories and 6 of 16 specs.
